Traditional Culture Encyclopedia - Traditional festivals - Automotive Generator Construction Components Illustrated (Inside HD)
Automotive Generator Construction Components Illustrated (Inside HD)
Ordinary alternators are generally composed of a rotor, stator, regulator, and front and rear bearing caps. The generator is driven by the automobile engine.
Structural diagram of the generator
1-Front bearing cover; 2-Rotor; 3.9-Fixture; 4-Cover;
5-Regulator; 6-Rear bearing cover; 7-Stator and windings; 8-Slip ring
1.Rotor
The rotor is the generator's magnetic field Part, mainly consists of the rotor shaft, two claw poles (each claw pole has six beak-shaped magnetic poles), magnetic field winding, slip ring and so on.
Generator rotor (1)
Generator rotor (2)
2. Stator
Stator, also known as armature, consists of a stator core and three-phase stator windings, which are fixed between the front and rear end caps.
Generator stator (I)
Generator stator (II)
The stator core consists of annular silicon steel sheets insulated from each other, with slots cut in the inner ring, in which the three-phase stator windings are embedded. For a rotor with 6 pairs of poles, there are 6 coils in series in each phase of the winding, called the three-phase winding, which serves to generate the induced electromotive force.
3. Brushes
The brush assembly consists of two brushes, a spring and a brush holder. The brushes are mounted in the holes of the brush holder, and the pressure of the spring keeps the brushes in close contact with the collector ring on the rotor assembly, which is used to supply magnetic current to the rotor windings. The leads of the two brushes are connected to the magnetic field terminal and the ground terminal on the rear end cap.
4. Rectifier
A rectifier is a device that converts alternating current into direct current. In automobile generators, three-phase bridge rectifier circuits are generally used as rectifiers.
5. Regulator
Regulators can be categorized into contact, transistor and integrated circuit according to their structure.
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